Fix pkgconfig patch for Qhull to only let CMake substitute @

{bio}[intel/2017a] fqtrim v0.9.5

{bio}[intel/2017a] GapFiller v2.1.1

{devel}[intel/2017a] Boost v1.63.0

{bio}[intel/2017a] SSPACE_Basic v2.1.1

{bio}[intel/2017a] Rascaf v1.0.2, SAMtools v0.1.20

{bio}[intel/2017a] BLAT v3.5

{bio}[intel/2017a] BioPerl v1.7.1

{vis}[GCCcore/5.4.0] freetype v2.7.1

{geo,math,numlib}[intel/2017a] StaMPS v3.3b1, snaphu v1.4.2, Triangle v1.6

{bio}[intel/2017a] BreakDancer 1.4.5

{geo}[intel/2017a] ROI_PAC v3.0.1 (REVIEW)

adding easyconfigs: StaMPS-3.3b1-intel-2017a-Perl-5.24.1.eb, snaphu-1.4.2-intel-2017a.eb, Triangle-1.6-intel-2017a.eb

{devel}[GCCcore/5.4.0] Autotools v20150215

bump imager extension to 0.40.1 in R 3.3.3 easyconfig

{vis}[intel/2017a] R v3.3.3, libGLU v9.0.0, Tk v8.6.6, ...

{bio}[dummy/] Sambamba v0.6.6

{bio}[foss/2016b] MultiQC v0.9

{tools}[dummy/dummy] vsc-mympirun v4.0.0b0, vsc-base v2.5.8, IPy v0.83, ...